GB2608910A - Non-blocking multilayer elastic composition - Google Patents

Non-blocking multilayer elastic composition Download PDF

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Publication number
GB2608910A
GB2608910A GB2213398.7A GB202213398A GB2608910A GB 2608910 A GB2608910 A GB 2608910A GB 202213398 A GB202213398 A GB 202213398A GB 2608910 A GB2608910 A GB 2608910A
Authority
GB
United Kingdom
Prior art keywords
elastomeric composition
olefin
based elastomer
core
olefin based
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
GB2213398.7A
Other versions
GB202213398D0 (en
Inventor
A Walton Glynis
E Jenkins Shawn
David Tucker J
M Welch Howard
D Haynes Bryan
R Stopper Steve
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
Original Assignee
Kimberly Clark Worldwide Inc
Kimberly Clark Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Kimberly Clark Worldwide Inc, Kimberly Clark Corp filed Critical Kimberly Clark Worldwide Inc
Publication of GB202213398D0 publication Critical patent/GB202213398D0/en
Publication of GB2608910A publication Critical patent/GB2608910A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/14—Copolymers of propene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/16—Layered products comprising a layer of synthetic resin specially treated, e.g. irradiated
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • B32B27/20—Layered products comprising a layer of synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B32B27/327—Layered products comprising a layer of synthetic resin comprising polyolefins comprising polyolefins obtained by a metallocene or single-site catalyst
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/02—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions
    • B32B3/04—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by features of form at particular places, e.g. in edge regions characterised by at least one layer folded at the edge, e.g. over another layer ; characterised by at least one layer enveloping or enclosing a material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B3/00—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form
    • B32B3/26—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer
    • B32B3/30—Layered products comprising a layer with external or internal discontinuities or unevennesses, or a layer of non-planar form; Layered products having particular features of form characterised by a particular shape of the outline of the cross-section of a continuous layer; characterised by a layer with cavities or internal voids ; characterised by an apertured layer characterised by a layer formed with recesses or projections, e.g. hollows, grooves, protuberances, ribs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B38/00—Ancillary operations in connection with laminating processes
    • B32B38/06—Embossing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/40—Symmetrical or sandwich layers, e.g. ABA, ABCBA, ABCCBA
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/02—Synthetic macromolecular particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/06—Vegetal particles
    • B32B2264/062—Cellulose particles, e.g. cotton
    • B32B2264/067—Wood particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/102—Oxide or hydroxide
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/104—Oxysalt, e.g. carbonate, sulfate, phosphate or nitrate particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/107—Ceramic
    • B32B2264/108—Carbon, e.g. graphite particles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/51—Elastic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2535/00—Medical equipment, e.g. bandage, prostheses, catheter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2555/00—Personal care
    • B32B2555/02—Diapers or napkins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/022—Non-woven fabric

Abstract

An elastomeric composition, including at least one skin layer and a core layer, with non-blocking properties such that the elastomeric composition can be wound is provided. The core layer includes an elastomer, and the skin layer includes an elastomer, which may be the same or different from the core layer, and a non-elastic polyolefin. Further, the skin layer can be present as a small portion of the total elastomeric composition, and may maintain the elastic efficiency of the composition.

Claims (24)

WHAT IS CLAIMED IS:
1. An elastomeric composition comprising: a core layer; and at least one skin layer; wherein the at least one skin layer comprises 30 wt.% or less of the total weight of the elastomeric composition; and the skin layer comprises an olefin based elastomer and at least one non- elastomeric polyolefin.
2. The elastomeric composition according to claim 1 , wherein the elastomeric composition is a film.
3. The elastomeric composition according to claim 1 , wherein the elastomeric composition is a fiber.
4. The elastomeric composition of any one of claims 1-3, wherein the olefin- based elastomer comprises an ethylene/a-olefin copolymer, a propylene/a-olefin copolymer, or a combination thereof.
5. The elastomeric composition of any one of claims 1-4, wherein the core layer comprises a core olefin based elastomer, wherein the core olefin-based elastomer comprises an ethylene/a-olefin copolymer, a propylene/a-olefin copolymer, or a combination thereof.
6. The elastomeric composition of any one of claims 1-5, wherein the core layer comprises a core olefin based elastomer and a second olefin based elastomer.
7. The elastomeric composition of any one of claims 1-6, wherein the core olefin based elastomer and the second olefin based elastomer comprise an ethylene/a- olefin copolymer.
8. The elastomeric composition of any one of claims 1-7, wherein the olefin based elastomer and the core olefin based elastomer and/or the olefin based elastomer and the second olefin based elastomer are formed from different elastomers.
9. The elastomeric composition of any one of claims 1-8, wherein the olefin- based elastomer comprises a propylene/a-olefin copolymer.
10. The elastomeric composition of any one of claims 1-9, wherein the core olefin based elastomer and/or the second olefin based elastomer comprises an ethylene/a- olefin copolymer.
11 .The elastomeric composition of any one of claims 1-8, wherein the olefin- based elastomer comprises an ethylene/a-olefin copolymer.
12. The elastomeric composition of any one of claims 1-8 or 11 , wherein the core olefin based elastomer and/or the second olefin based elastomer comprises a propylene/a-olefin copolymer.
13. The elastomeric composition of any one of claims 1-12, wherein the olefin based elastomer has a lower number average molecular weight than the core olefin based elastomer, second olefin based elastomer, or an average molecular weight of the core olefin based elastomer and the second olefin based elastomer.
14. The elastomeric composition of any one of claims 1-13, wherein a ratio of an average molecular weight of the core olefin based elastomer, the second olefin based elastomer, or an average molecular weight of the core olefin based elastomer and the second olefin based elastomer, to an average molecular weight of the olefin based elastomer is from about 10: 1 to 1.1 : 1.
15. The elastomeric composition of any one of claims 1-14, wherein the non- elastomeric olefin is a linear low density polyethylene.
16. The elastomeric composition of any one of claims 1-15, wherein the non- elastomeric olefin comprises about 20 wt.% or less of the total weight of the elastomeric composition.
17. The elastomeric composition of any one of claims 1-16, wherein the non- elastomeric olefin comprises about 15% or less of the total weight of the elastomeric composition.
18. The elastomeric composition of any one of claims 1 , 2, or 4-17, wherein the film comprises a core layer and one skin layer.
19. The elastomeric composition of any one of claims 1 , 2, or 4-18, wherein the film comprises a core layer, a first skin layer, and a second skin layer.
20. The elastomeric composition of any one of claims 1 or 3-17, wherein the fiber comprises a core surrounded by a single skin layer.
21 .The elastomeric composition of any one of claims 1-20, wherein the at least one skin layer further comprises inorganic particles.
22. The elastomeric composition of any one of claims 1-21 , wherein the at least one skin layer has an inner side adjacent to the core and an outer side opposite the inner side, wherein the outer side is embossed or patterned.
23. The elastomeric composition of any one of claims 1-22, wherein the elastomeric composition is wound after formation.
24. The elastomeric composition of claim 23, wherein the elastomeric composition is wound prior to stretching or lamination.
GB2213398.7A 2020-02-24 2020-02-24 Non-blocking multilayer elastic composition Pending GB2608910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2020/019476 WO2021173113A1 (en) 2020-02-24 2020-02-24 Non-blocking multilayer elastic composition

Publications (2)

Publication Number Publication Date
GB202213398D0 GB202213398D0 (en) 2022-10-26
GB2608910A true GB2608910A (en) 2023-01-18

Family

ID=77491808

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2213398.7A Pending GB2608910A (en) 2020-02-24 2020-02-24 Non-blocking multilayer elastic composition

Country Status (6)

Country Link
US (1) US20230040847A1 (en)
CN (1) CN115135498A (en)
DE (1) DE112020006418T5 (en)
GB (1) GB2608910A (en)
MX (1) MX2022009869A (en)
WO (1) WO2021173113A1 (en)

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US20040087235A1 (en) * 2002-10-31 2004-05-06 Morman Michael Tod Elastomeric film and laminates thereof
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US20110177735A1 (en) * 2010-01-20 2011-07-21 Tasi Yuen-Lun Elastomeric laminate and elastomeric film

Also Published As

Publication number Publication date
GB202213398D0 (en) 2022-10-26
WO2021173113A1 (en) 2021-09-02
DE112020006418T5 (en) 2022-10-27
MX2022009869A (en) 2022-08-19
CN115135498A (en) 2022-09-30
US20230040847A1 (en) 2023-02-09

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